<template>
  <header :class="{ login:isLogin , 'no-login':!isLogin }">
    <template v-if="!isLogin">
      <h1><router-link to="/">Blog-Vue</router-link></h1>
      <p>博客聚合</p>
      <div class="btns">
        <router-link to="/login"><el-button>立即登录</el-button></router-link>
        <router-link to="/register"><el-button>注册账号</el-button></router-link>
      </div>
    </template>
    <template v-if="isLogin">
      <h1><router-link to="/">Let's share</router-link></h1>
      <router-link to="/create"><i class="edit el-icon-plus"></i></router-link>
      <!-- <img src="http://cn.gravatar.com/avatar/1?s=128$d=identicon" alt="" class="avatar"> -->
      <div class="user">
        <img class="avatar" :src="user.avatar" :alt="user.username" :title="user.username">
        <ul>
          <li><router-link to="/my">我的</router-link></li>
          <li><a href="#" @click="onLogout">注销</a></li>
        </ul>
      </div>
      
    </template>
  </header>
</template>

<script>

import auth from '@/api/auth'
window.auth = auth

import { mapGetters, mapActions }from 'vuex'

export default {
  data(){
    return{}
  },

  computed:{
    ...mapGetters([
      'isLogin',
      'user'
    ])
  },

  created(){
    this.checkLogin()
  },
  methods:{
    ...mapActions([
      'checkLogin',
      'logout'
    ]),
    onLogout(){
      this.logout()
    }
  }
}
</script>


<style lang="less">
@import "../assets/base.less";

header.no-login {
  padding: 0 12% 30px 12%;
  background: @bgColor;
  display: grid;
  justify-items: center;

  h1 {
    font-size: 40px;
    margin: 60px 0 0 0;
    text-transform: uppercase;

    a{
      color: #fff;
    }
  }

  p {
    margin: 15px 0 0 0;
    color: #fff;
  }

  .btns {
    margin-top: 20px;
  }

  button {
    margin: 20px 5px 0;
  }
}

header.login{
  display: flex;
  align-items: center;
  background: @bgColor;

  h1{
    margin: 0;
    padding: 0;
    color: #fff;
    font-size: 40px;
    text-transform: uppercase;
    flex:1;

    a{
      color: #fff;
    }
  }

  .edit{
    color:#fff;
    font-size: 30px;
  }

  .avatar{
    width: 40px;
    height: 40px;
    border:1px solid #fff;
    border-radius: 50%;
    margin-left: 15px;
  }

  .user{
    position: relative;

    ul{
      display: none;
      position: absolute;
      right: 0;
      list-style:none;
      border: 1px solid #eaeaea;
      margin: 0;
      padding: 0;
      background-color: #fff;

      a{
        text-decoration: none;
        color: #333;
        font-size: 12px;
        display: block;
        padding: 5px 10px;

        &:hover{
          background-color: #eaeaea;
        }
      }
    }
    
    &:hover ul {
      display: block;
    }
  }
}
</style>

